From: Daniel Mack <daniel@caiaq.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 3/3] smc911x: do net reset the chip if no EEPROM is connected
Date: Tue, 21 Apr 2009 13:13:10 +0200 [thread overview]
Message-ID: <20090421111310.GA32352@buzzloop.caiaq.de> (raw)
In-Reply-To: <200904082357.38602.vapier@gentoo.org>
On Wed, Apr 08, 2009 at 11:57:37PM -0400, Mike Frysinger wrote:
> > Not if the MAC is stored in the volatile smc911x registers. Issuing a
> > soft reset flushes these values - if U-Boot does that, the OS has no
> > change getting them.
>
> then either your u-boot or your OS is misconfigured and you need to fix that.
> as clearly stated in docs/README.enetaddr, the environment is the place where
> mac addresses live when there is no dedicated storage (like an eeprom).
>
> ignoring that, the mac address doesnt magically get programmed. if no network
> operation was initiated, then the part wouldnt have been programmed anyways,
> so you're still left with an OS that cant get itself functional.
Ok, true. Thanks for pointing this out.
Daniel
next prev parent reply other threads:[~2009-04-21 11:13 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-08 11:23 [U-Boot] [PATCH 1/3] smc911x: write back the manually set MAC address Daniel Mack
2009-04-08 11:23 ` [U-Boot] [PATCH 2/3] smc911x: add support for LAN9220 Daniel Mack
2009-04-08 11:23 ` [U-Boot] [PATCH 3/3] smc911x: do net reset the chip if no EEPROM is connected Daniel Mack
2009-04-08 22:00 ` Mike Frysinger
2009-04-09 0:08 ` Daniel Mack
2009-04-09 3:57 ` Mike Frysinger
2009-04-21 11:13 ` Daniel Mack [this message]
2009-04-27 3:14 ` Mike Frysinger
2009-04-27 14:44 ` Daniel Mack
2009-04-27 15:56 ` Mike Frysinger
2009-04-27 19:05 ` Scott Wood
2009-04-23 5:36 ` [U-Boot] [PATCH 2/3] smc911x: add support for LAN9220 Ben Warren
2009-04-21 11:13 ` [U-Boot] [PATCH 1/3] smc911x: write back the manually set MAC address Daniel Mack
2009-04-21 11:38 ` Sascha Hauer
2009-04-21 11:44 ` Daniel Mack
2009-04-21 13:28 ` Ben Warren
2009-04-21 13:30 ` Daniel Mack
2009-04-23 5:36 ` Ben Warren
2009-05-21 5:03 ` Dirk Behme
2009-06-05 10:02 ` Wolfgang Denk
2009-05-05 20:01 ` Mike Frysinger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090421111310.GA32352@buzzloop.caiaq.de \
--to=daniel@caiaq.de \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox